[llvm-bugs] [Bug 26188] New: FileSpec::RemoveBackupDots should also remove single dots

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=26188

            Bug ID: 26188
           Summary: FileSpec::RemoveBackupDots should also remove single
                    dots
           Product: lldb
           Version: 3.8
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: vadimcn at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

A breakpoint being set in file C:\foo\bar.c won't match a compile unit with
DW_AT_comp_dir=C:\foo and DW_AT_name=.\bar.c 

I've discovered this by debugging LLDB while trying to figure out why wouldn't
it set a breakpoint by full file path+line.  It seems that the compile unit
path gets transformed into a FileSpec { m_directory="c:\foo\.",
m_filename="bar.c" ... }, and that trailing dot prevents a match.  One way to
fix this would be to teach FileSpec::RemoveBackupDots to strip single dots from
paths, since they don't add anything semantically.

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